Home / 83,486.47-125,270.76-39,105.52

Finding the Fourth Proportional to 83,486.47, 125,270.76 and 39,105.52

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Solution

The fourth proportional to 83,486.47, 125,270.76 and 39,105.52 is: 58,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,486.47 : 125,270.76 = 39,105.52 : x
  2. Step 2: Convert to fraction form
    83,486.47/125,270.76 = 39,105.52/x
  3. Step 3: Cross multiply
    83,486.47x = 125,270.76 × 39,105.52
  4. Step 4: Simplify right side
    83,486.47x = 4,898,778,210.60
  5. Step 5: Solve for x
    x = 4,898,778,210.60/83,486.47
  6. Step 6: Final answer
    x = 58,677.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.